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Product Summary

265, 267, 283, 302, 305, 307, 327, 350, 377, 383, 400

  • Features tuned-length primary tubes for street performance
  • Has mandrel-bent tubing for smooth exhaust flow
  • Manufactured from light weight and sturdy 16 gauge tubing
  • The long transition collector provides decreased back pressure
  • Includes 5/16 machined flanges for a perfect seal

Key Specs

Header Tube TypeFull-Length
FinishCeramic Coated
Flange StyleStandard
Primary Tube Diameter1-5/8"
Material TypeSteel

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Hooker Headers 2452-1HKR Details

Does not fit with angel plug or raised port heads. Hooker Competition headers offer the best value in the high performance header market. Designed for the value-conscious buyer who is running either a stock or mildly-modified engine, Hooker Competition headers offer premium features at a very competitive price. Made of durable 16 gauge mild steel tubing, the Hooker Competition header design utilizes a long transition collector to reduce back pressure and increase exhaust flow. A perfect sealing surface is assured with the 5/16" machined flanges, with welded O-ring seals. Experience has proven that this flange size is ideal to maintain header integrity and be pliable enough to seal each exhaust port. Tubing is mandrel-bent to maintain metal strength and provide consistent tube diameter at radii to maximize performance.

  • Tuned-length primary tubes for street performance
  • Mandrel-bent tubing for smooth exhaust flow
  • Light weight & sturdy 16 gauge tubing
  • Long transition collector for decreased back pressure
  • 5/16 machined flanges for a perfect seal
  • Industry™s best welds for durability
  • Designed for easy, trouble-free fit
  • All necessary hardware included for a complete installation
  • Works with factory power steering, power brakes and air conditioning

Application

69-91 Blazer/Suburban/Jimmy/Carryall/Yukon/1-Ton Crew Cab (2WD)
63-87 1/2 & 3/4 & 1 Ton Truck (2WD)
265-400
Tube Size 1.625" x 27" O.D.
Collector Size 2.5" O.D.
Collector Length 8"
Port Shape-Same As Port

Charts

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Hooker Headers 2452-1HKR Specifications

KEY SPECS
MFG. Part #2452-1HKR
BrandHooker Headers
Header Tube TypeFull-Length
FinishCeramic Coated
Flange StyleStandard
Primary Tube Diameter1-5/8"
Material TypeSteel
ColorSilver
Weld-UpNo
Exhaust Port ShapeOval
Collector Diameter2-1/2 Inch
Hardware IncludedYes
Gasket(s) IncludedYes
Collector Attachment Type3-bolt flange
Collector Reducers IncludedNo
GENERAL
Speedway Motors Catalog Part #425-24521HKR
Collector Length8"
Flange Thickness0.3125"
Sold in QuantityPair
Emission Code3
GTIN Code700414050492
Crossover Pipe IncludedNo
Primary Tube Gauge16-gauge